Pith Number

pith:KKO4M6L6

pith:2019:KKO4M6L6EFFUQPCRJ64IEZIQVM

not attested not anchored not stored refs pending

Closable Hankel operators and moment problems

Christian Berg, Ryszard Szwarc

arxiv:1905.03010 v2 · 2019-05-08 · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKO4M6L6EFFUQPCRJ64IEZIQVM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:44:18.719107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

529dc6797e214b483c514fb8826510ab3e865ba6fdcf2c368c3e4711b085dee7

Aliases

arxiv: 1905.03010 · arxiv_version: 1905.03010v2 · doi: 10.48550/arxiv.1905.03010 · pith_short_12: KKO4M6L6EFFU · pith_short_16: KKO4M6L6EFFUQPCR · pith_short_8: KKO4M6L6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KKO4M6L6EFFUQPCRJ64IEZIQVM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 529dc6797e214b483c514fb8826510ab3e865ba6fdcf2c368c3e4711b085dee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58bd5ca6fa25c2603737749f3754a72e135d7f66edeb3faccb1b207f68dee6ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-05-08T11:20:09Z",
    "title_canon_sha256": "61a0d4af311ef6e9ad05078106fe38697fab4b51953bb84554879deefdb3f632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03010",
    "kind": "arxiv",
    "version": 2
  }
}